#include "xfs_ialloc.h"
#include "xfs_alloc.h"
#include "xfs_bmap.h"
+#include "xfs_acl.h"
#include "xfs_attr.h"
#include "xfs_rw.h"
#include "xfs_error.h"
#include "xfs_vnodeops.h"
int
-xfs_open(
- xfs_inode_t *ip)
-{
- int mode;
-
- if (XFS_FORCED_SHUTDOWN(ip->i_mount))
- return XFS_ERROR(EIO);
-
- /*
- * If it's a directory with any blocks, read-ahead block 0
- * as we're almost certain to have the next operation be a read there.
- */
- if (S_ISDIR(ip->i_d.di_mode) && ip->i_d.di_nextents > 0) {
- mode = xfs_ilock_map_shared(ip);
- if (ip->i_d.di_nextents > 0)
- (void)xfs_da_reada_buf(NULL, ip, 0, XFS_DATA_FORK);
- xfs_iunlock(ip, mode);
- }
- return 0;
-}
-
-int
xfs_setattr(
struct xfs_inode *ip,
struct iattr *iattr,
gid_t gid=0, igid=0;
int timeflags = 0;
struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2;
- int file_owner;
int need_iolock = 1;
xfs_itrace_entry(ip);
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
+ code = -inode_change_ok(inode, iattr);
+ if (code)
+ return code;
+
olddquot1 = olddquot2 = NULL;
udqp = gdqp = NULL;
*/
ASSERT(udqp == NULL);
ASSERT(gdqp == NULL);
- code = XFS_QM_DQVOPALLOC(mp, ip, uid, gid, ip->i_d.di_projid,
+ code = xfs_qm_vop_dqalloc(ip, uid, gid, ip->i_d.di_projid,
qflags, &udqp, &gdqp);
if (code)
return code;
xfs_ilock(ip, lock_flags);
- /* boolean: are we the file owner? */
- file_owner = (current_fsuid() == ip->i_d.di_uid);
-
- /*
- * Change various properties of a file.
- * Only the owner or users with CAP_FOWNER
- * capability may do these things.
- */
- if (mask & (ATTR_MODE|ATTR_UID|ATTR_GID)) {
- /*
- * CAP_FOWNER overrides the following restrictions:
- *
- * The user ID of the calling process must be equal
- * to the file owner ID, except in cases where the
- * CAP_FSETID capability is applicable.
- */
- if (!file_owner && !capable(CAP_FOWNER)) {
- code = XFS_ERROR(EPERM);
- goto error_return;
- }
-
- /*
- * CAP_FSETID overrides the following restrictions:
- *
- * The effective user ID of the calling process shall match
- * the file owner when setting the set-user-ID and
- * set-group-ID bits on that file.
- *
- * The effective group ID or one of the supplementary group
- * IDs of the calling process shall match the group owner of
- * the file when setting the set-group-ID bit on that file
- */
- if (mask & ATTR_MODE) {
- mode_t m = 0;
-
- if ((iattr->ia_mode & S_ISUID) && !file_owner)
- m |= S_ISUID;
- if ((iattr->ia_mode & S_ISGID) &&
- !in_group_p((gid_t)ip->i_d.di_gid))
- m |= S_ISGID;
-#if 0
- /* Linux allows this, Irix doesn't. */
- if ((iattr->ia_mode & S_ISVTX) && !S_ISDIR(ip->i_d.di_mode))
- m |= S_ISVTX;
-#endif
- if (m && !capable(CAP_FSETID))
- iattr->ia_mode &= ~m;
- }
- }
-
/*
* Change file ownership. Must be the owner or privileged.
*/
uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;
/*
- * CAP_CHOWN overrides the following restrictions:
- *
- * If _POSIX_CHOWN_RESTRICTED is defined, this capability
- * shall override the restriction that a process cannot
- * change the user ID of a file it owns and the restriction
- * that the group ID supplied to the chown() function
- * shall be equal to either the group ID or one of the
- * supplementary group IDs of the calling process.
- */
- if ((iuid != uid ||
- (igid != gid && !in_group_p((gid_t)gid))) &&
- !capable(CAP_CHOWN)) {
- code = XFS_ERROR(EPERM);
- goto error_return;
- }
- /*
* Do a quota reservation only if uid/gid is actually
* going to change.
*/
- if ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
- (XFS_IS_GQUOTA_ON(mp) && igid != gid)) {
+ if (XFS_IS_QUOTA_RUNNING(mp) &&
+ ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
+ (XFS_IS_GQUOTA_ON(mp) && igid != gid))) {
ASSERT(tp);
- code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp,
+ code = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
capable(CAP_FOWNER) ?
XFS_QMOPT_FORCE_RES : 0);
if (code) /* out of quota */
code = XFS_ERROR(EINVAL);
goto error_return;
}
+
/*
* Make sure that the dquots are attached to the inode.
*/
- if ((code = XFS_QM_DQATTACH(mp, ip, XFS_QMOPT_ILOCKED)))
+ code = xfs_qm_dqattach_locked(ip, 0);
+ if (code)
goto error_return;
- }
- /*
- * Change file access or modified times.
- */
- if (mask & (ATTR_ATIME|ATTR_MTIME)) {
- if (!file_owner) {
- if ((mask & (ATTR_MTIME_SET|ATTR_ATIME_SET)) &&
- !capable(CAP_FOWNER)) {
- code = XFS_ERROR(EPERM);
- goto error_return;
- }
- }
- }
-
- /*
- * Now we can make the changes. Before we join the inode
- * to the transaction, if ATTR_SIZE is set then take care of
- * the part of the truncation that must be done without the
- * inode lock. This needs to be done before joining the inode
- * to the transaction, because the inode cannot be unlocked
- * once it is a part of the transaction.
- */
- if (mask & ATTR_SIZE) {
- code = 0;
+ /*
+ * Now we can make the changes. Before we join the inode
+ * to the transaction, if ATTR_SIZE is set then take care of
+ * the part of the truncation that must be done without the
+ * inode lock. This needs to be done before joining the inode
+ * to the transaction, because the inode cannot be unlocked
+ * once it is a part of the transaction.
+ */
if (iattr->ia_size > ip->i_size) {
/*
* Do the first part of growing a file: zero any data
}
/* wait for all I/O to complete */
- vn_iowait(ip);
+ xfs_ioend_wait(ip);
if (!code)
code = xfs_itruncate_data(ip, iattr->ia_size);
}
commit_flags = XFS_TRANS_RELEASE_LOG_RES;
xfs_ilock(ip, XFS_ILOCK_EXCL);
- }
- if (tp) {
xfs_trans_ijoin(tp, ip, lock_flags);
xfs_trans_ihold(tp, ip);
- }
- /*
- * Truncate file. Must have write permission and not be a directory.
- */
- if (mask & ATTR_SIZE) {
/*
* Only change the c/mtime if we are changing the size
* or we are explicitly asked to change it. This handles
*/
xfs_iflags_set(ip, XFS_ITRUNCATED);
}
- }
-
- /*
- * Change file access modes.
- */
- if (mask & ATTR_MODE) {
- ip->i_d.di_mode &= S_IFMT;
- ip->i_d.di_mode |= iattr->ia_mode & ~S_IFMT;
-
- inode->i_mode &= S_IFMT;
- inode->i_mode |= iattr->ia_mode & ~S_IFMT;
-
- xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE);
- timeflags |= XFS_ICHGTIME_CHG;
+ } else if (tp) {
+ xfs_trans_ijoin(tp, ip, lock_flags);
+ xfs_trans_ihold(tp, ip);
}
/*
* in the transaction.
*/
if (iuid != uid) {
- if (XFS_IS_UQUOTA_ON(mp)) {
+ if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) {
ASSERT(mask & ATTR_UID);
ASSERT(udqp);
- olddquot1 = XFS_QM_DQVOPCHOWN(mp, tp, ip,
+ olddquot1 = xfs_qm_vop_chown(tp, ip,
&ip->i_udquot, udqp);
}
ip->i_d.di_uid = uid;
inode->i_uid = uid;
}
if (igid != gid) {
- if (XFS_IS_GQUOTA_ON(mp)) {
+ if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
ASSERT(!XFS_IS_PQUOTA_ON(mp));
ASSERT(mask & ATTR_GID);
ASSERT(gdqp);
- olddquot2 = XFS_QM_DQVOPCHOWN(mp, tp, ip,
+ olddquot2 = xfs_qm_vop_chown(tp, ip,
&ip->i_gdquot, gdqp);
}
ip->i_d.di_gid = gid;
timeflags |= XFS_ICHGTIME_CHG;
}
+ /*
+ * Change file access modes.
+ */
+ if (mask & ATTR_MODE) {
+ umode_t mode = iattr->ia_mode;
+
+ if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
+ mode &= ~S_ISGID;
+
+ ip->i_d.di_mode &= S_IFMT;
+ ip->i_d.di_mode |= mode & ~S_IFMT;
+
+ inode->i_mode &= S_IFMT;
+ inode->i_mode |= mode & ~S_IFMT;
+
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+ timeflags |= XFS_ICHGTIME_CHG;
+ }
/*
* Change file access or modified times.
/*
* Release any dquot(s) the inode had kept before chown.
*/
- XFS_QM_DQRELE(mp, olddquot1);
- XFS_QM_DQRELE(mp, olddquot2);
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
+ xfs_qm_dqrele(olddquot1);
+ xfs_qm_dqrele(olddquot2);
+ xfs_qm_dqrele(udqp);
+ xfs_qm_dqrele(gdqp);
- if (code) {
+ if (code)
return code;
+
+ /*
+ * XXX(hch): Updating the ACL entries is not atomic vs the i_mode
+ * update. We could avoid this with linked transactions
+ * and passing down the transaction pointer all the way
+ * to attr_set. No previous user of the generic
+ * Posix ACL code seems to care about this issue either.
+ */
+ if ((mask & ATTR_MODE) && !(flags & XFS_ATTR_NOACL)) {
+ code = -xfs_acl_chmod(inode);
+ if (code)
+ return XFS_ERROR(code);
}
if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE) &&
commit_flags |= XFS_TRANS_ABORT;
/* FALLTHROUGH */
error_return:
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
+ xfs_qm_dqrele(udqp);
+ xfs_qm_dqrele(gdqp);
if (tp) {
xfs_trans_cancel(tp, commit_flags);
}
d = XFS_FSB_TO_DADDR(mp, mval[n].br_startblock);
byte_cnt = XFS_FSB_TO_B(mp, mval[n].br_blockcount);
- bp = xfs_buf_read(mp->m_ddev_targp, d, BTOBB(byte_cnt), 0);
+ bp = xfs_buf_read_flags(mp->m_ddev_targp, d, BTOBB(byte_cnt),
+ XBF_LOCK | XBF_MAPPED |
+ XBF_DONT_BLOCK);
error = XFS_BUF_GETERROR(bp);
if (error) {
xfs_ioerror_alert("xfs_readlink",
xfs_inode_t *ip)
{
xfs_trans_t *tp;
- int error;
+ int error = 0;
int log_flushed = 0, changed = 1;
xfs_itrace_entry(ip);
if (XFS_FORCED_SHUTDOWN(ip->i_mount))
return XFS_ERROR(EIO);
- /* capture size updates in I/O completion before writing the inode. */
- error = filemap_fdatawait(VFS_I(ip)->i_mapping);
- if (error)
- return XFS_ERROR(error);
-
/*
* We always need to make sure that the required inode state is safe on
- * disk. The vnode might be clean but we still might need to force the
+ * disk. The inode might be clean but we still might need to force the
* log because of committed transactions that haven't hit the disk yet.
* Likewise, there could be unflushed non-transactional changes to the
* inode core that have to go to disk and this requires us to issue
*/
xfs_ilock(ip, XFS_ILOCK_SHARED);
- if (!(ip->i_update_size || ip->i_update_core)) {
+ if (!ip->i_update_core) {
/*
* Timestamps/size haven't changed since last inode flush or
* inode transaction commit. That means either nothing got
* when the link count isn't zero and by xfs_dm_punch_hole() when
* punching a hole to EOF.
*/
-int
+STATIC int
xfs_free_eofblocks(
xfs_mount_t *mp,
xfs_inode_t *ip,
/*
* Attach the dquots to the inode up front.
*/
- if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
+ error = xfs_qm_dqattach(ip, 0);
+ if (error)
return error;
/*
* Find the block(s) so we can inval and unmap them.
*/
done = 0;
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
nmaps = ARRAY_SIZE(mval);
if ((error = xfs_bmapi(tp, ip, 0, XFS_B_TO_FSB(mp, size),
XFS_BMAPI_METADATA, &first_block, 0, mval, &nmaps,
goto error0;
}
/*
+ * transaction commit worked ok so we can drop the extra ticket
+ * reference that we gained in xfs_trans_dup()
+ */
+ xfs_log_ticket_put(tp->t_ticket);
+
+ /*
* Remove the memory for extent descriptions (just bookkeeping).
*/
if (ip->i_df.if_bytes)
* If the inode is already free, then there can be nothing
* to clean up here.
*/
- if (ip->i_d.di_mode == 0 || VN_BAD(VFS_I(ip))) {
+ if (ip->i_d.di_mode == 0 || is_bad_inode(VFS_I(ip))) {
ASSERT(ip->i_df.if_real_bytes == 0);
ASSERT(ip->i_df.if_broot_bytes == 0);
return VN_INACTIVE_CACHE;
ASSERT(ip->i_d.di_nlink == 0);
- if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
+ error = xfs_qm_dqattach(ip, 0);
+ if (error)
return VN_INACTIVE_CACHE;
tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE);
/*
* Free the inode.
*/
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_ifree(tp, ip, &free_list);
if (error) {
/*
/*
* Credit the quota account(s). The inode is gone.
*/
- XFS_TRANS_MOD_DQUOT_BYINO(mp, tp, ip, XFS_TRANS_DQ_ICOUNT, -1);
+ xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_ICOUNT, -1);
/*
* Just ignore errors at this point. There is nothing we can
xfs_fs_cmn_err(CE_NOTE, mp, "xfs_inactive: "
"xfs_trans_commit() returned error %d", error);
}
+
/*
* Release the dquots held by inode, if any.
*/
- XFS_QM_DQDETACH(mp, ip);
-
+ xfs_qm_dqdetach(ip);
xfs_iunlock(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
out:
xfs_inode_t **ipp,
cred_t *credp)
{
- xfs_mount_t *mp = dp->i_mount;
- xfs_inode_t *ip;
- xfs_trans_t *tp;
+ int is_dir = S_ISDIR(mode);
+ struct xfs_mount *mp = dp->i_mount;
+ struct xfs_inode *ip = NULL;
+ struct xfs_trans *tp = NULL;
int error;
xfs_bmap_free_t free_list;
xfs_fsblock_t first_block;
boolean_t unlock_dp_on_error = B_FALSE;
- int dm_event_sent = 0;
uint cancel_flags;
int committed;
xfs_prid_t prid;
- struct xfs_dquot *udqp, *gdqp;
+ struct xfs_dquot *udqp = NULL;
+ struct xfs_dquot *gdqp = NULL;
uint resblks;
+ uint log_res;
+ uint log_count;
- ASSERT(!*ipp);
xfs_itrace_entry(dp);
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return XFS_ERROR(EIO);
+
if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
dp, DM_RIGHT_NULL, NULL,
if (error)
return error;
- dm_event_sent = 1;
}
- if (XFS_FORCED_SHUTDOWN(mp))
- return XFS_ERROR(EIO);
-
- /* Return through std_return after this point. */
-
- udqp = gdqp = NULL;
if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
prid = dp->i_d.di_projid;
else
- prid = (xfs_prid_t)dfltprid;
+ prid = dfltprid;
/*
* Make sure that we have allocated dquot(s) on disk.
*/
- error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(), current_fsgid(), prid,
- XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp);
+ error = xfs_qm_vop_dqalloc(dp, current_fsuid(), current_fsgid(), prid,
+ XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
- ip = NULL;
+ if (is_dir) {
+ rdev = 0;
+ resblks = XFS_MKDIR_SPACE_RES(mp, name->len);
+ log_res = XFS_MKDIR_LOG_RES(mp);
+ log_count = XFS_MKDIR_LOG_COUNT;
+ tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR);
+ } else {
+ resblks = XFS_CREATE_SPACE_RES(mp, name->len);
+ log_res = XFS_CREATE_LOG_RES(mp);
+ log_count = XFS_CREATE_LOG_COUNT;
+ tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
+ }
- tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
- resblks = XFS_CREATE_SPACE_RES(mp, name->len);
+
/*
* Initially assume that the file does not exist and
* reserve the resources for that case. If that is not
* the case we'll drop the one we have and get a more
* appropriate transaction later.
*/
- error = xfs_trans_reserve(tp, resblks, XFS_CREATE_LOG_RES(mp), 0,
- XFS_TRANS_PERM_LOG_RES, XFS_CREATE_LOG_COUNT);
+ error = xfs_trans_reserve(tp, resblks, log_res, 0,
+ XFS_TRANS_PERM_LOG_RES, log_count);
+ if (error == ENOSPC) {
+ /* flush outstanding delalloc blocks and retry */
+ xfs_flush_inodes(dp);
+ error = xfs_trans_reserve(tp, resblks, log_res, 0,
+ XFS_TRANS_PERM_LOG_RES, log_count);
+ }
if (error == ENOSPC) {
+ /* No space at all so try a "no-allocation" reservation */
resblks = 0;
- error = xfs_trans_reserve(tp, 0, XFS_CREATE_LOG_RES(mp), 0,
- XFS_TRANS_PERM_LOG_RES, XFS_CREATE_LOG_COUNT);
+ error = xfs_trans_reserve(tp, 0, log_res, 0,
+ XFS_TRANS_PERM_LOG_RES, log_count);
}
if (error) {
cancel_flags = 0;
- goto error_return;
+ goto out_trans_cancel;
}
xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
unlock_dp_on_error = B_TRUE;
- XFS_BMAP_INIT(&free_list, &first_block);
+ /*
+ * Check for directory link count overflow.
+ */
+ if (is_dir && dp->i_d.di_nlink >= XFS_MAXLINK) {
+ error = XFS_ERROR(EMLINK);
+ goto out_trans_cancel;
+ }
- ASSERT(ip == NULL);
+ xfs_bmap_init(&free_list, &first_block);
/*
* Reserve disk quota and the inode.
*/
- error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp, resblks, 1, 0);
if (error)
- goto error_return;
+ goto out_trans_cancel;
error = xfs_dir_canenter(tp, dp, name, resblks);
if (error)
- goto error_return;
- error = xfs_dir_ialloc(&tp, dp, mode, 1,
- rdev, credp, prid, resblks > 0,
- &ip, &committed);
+ goto out_trans_cancel;
+
+ /*
+ * A newly created regular or special file just has one directory
+ * entry pointing to them, but a directory also the "." entry
+ * pointing to itself.
+ */
+ error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, credp,
+ prid, resblks > 0, &ip, &committed);
if (error) {
if (error == ENOSPC)
- goto error_return;
- goto abort_return;
+ goto out_trans_cancel;
+ goto out_trans_abort;
}
- xfs_itrace_ref(ip);
/*
* At this point, we've gotten a newly allocated inode.
* It is locked (and joined to the transaction).
*/
-
+ xfs_itrace_ref(ip);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
/*
resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
if (error) {
ASSERT(error != ENOSPC);
- goto abort_return;
+ goto out_trans_abort;
}
xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
+ if (is_dir) {
+ error = xfs_dir_init(tp, ip, dp);
+ if (error)
+ goto out_bmap_cancel;
+
+ error = xfs_bumplink(tp, dp);
+ if (error)
+ goto out_bmap_cancel;
+ }
+
/*
* If this is a synchronous mount, make sure that the
* create transaction goes to disk before returning to
* the user.
*/
- if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) {
+ if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC))
xfs_trans_set_sync(tp);
- }
-
- dp->i_gen++;
/*
* Attach the dquot(s) to the inodes and modify them incore.
* These ids of the inode couldn't have changed since the new
* inode has been locked ever since it was created.
*/
- XFS_QM_DQVOPCREATE(mp, tp, ip, udqp, gdqp);
+ xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp);
/*
* xfs_trans_commit normally decrements the vnode ref count
IHOLD(ip);
error = xfs_bmap_finish(&tp, &free_list, &committed);
- if (error) {
- xfs_bmap_cancel(&free_list);
- goto abort_rele;
- }
+ if (error)
+ goto out_abort_rele;
error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
if (error) {
IRELE(ip);
- tp = NULL;
- goto error_return;
+ goto out_dqrele;
}
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
+ xfs_qm_dqrele(udqp);
+ xfs_qm_dqrele(gdqp);
*ipp = ip;
/* Fallthrough to std_return with error = 0 */
-
-std_return:
- if ((*ipp || (error != 0 && dm_event_sent != 0)) &&
- DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
- (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
- dp, DM_RIGHT_NULL,
- *ipp ? ip : NULL,
- DM_RIGHT_NULL, name->name, NULL,
- mode, error, 0);
+ std_return:
+ if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
+ XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dp, DM_RIGHT_NULL,
+ ip, DM_RIGHT_NULL, name->name, NULL, mode,
+ error, 0);
}
+
return error;
- abort_return:
+ out_bmap_cancel:
+ xfs_bmap_cancel(&free_list);
+ out_trans_abort:
cancel_flags |= XFS_TRANS_ABORT;
- /* FALLTHROUGH */
-
- error_return:
- if (tp != NULL)
- xfs_trans_cancel(tp, cancel_flags);
-
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
+ out_trans_cancel:
+ xfs_trans_cancel(tp, cancel_flags);
+ out_dqrele:
+ xfs_qm_dqrele(udqp);
+ xfs_qm_dqrele(gdqp);
if (unlock_dp_on_error)
xfs_iunlock(dp, XFS_ILOCK_EXCL);
goto std_return;
- abort_rele:
+ out_abort_rele:
/*
* Wait until after the current transaction is aborted to
* release the inode. This prevents recursive transactions
* and deadlocks from xfs_inactive.
*/
+ xfs_bmap_cancel(&free_list);
cancel_flags |= XFS_TRANS_ABORT;
xfs_trans_cancel(tp, cancel_flags);
IRELE(ip);
-
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
-
- goto std_return;
+ unlock_dp_on_error = B_FALSE;
+ goto out_dqrele;
}
#ifdef DEBUG
return error;
}
- error = XFS_QM_DQATTACH(mp, dp, 0);
+ error = xfs_qm_dqattach(dp, 0);
if (error)
goto std_return;
- error = XFS_QM_DQATTACH(mp, ip, 0);
+ error = xfs_qm_dqattach(ip, 0);
if (error)
goto std_return;
}
}
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_dir_removename(tp, dp, name, ip->i_ino,
&first_block, &free_list, resblks);
if (error) {
}
xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
- /*
- * Bump the in memory generation count on the parent
- * directory so that other can know that it has changed.
- */
- dp->i_gen++;
- xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
-
if (is_dir) {
/*
* Drop the link from ip's "..".
} else {
/*
* When removing a non-directory we need to log the parent
- * inode here for the i_gen update. For a directory this is
- * done implicitly by the xfs_droplink call for the ".." entry.
+ * inode here. For a directory this is done implicitly
+ * by the xfs_droplink call for the ".." entry.
*/
xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
}
/* Return through std_return after this point. */
- error = XFS_QM_DQATTACH(mp, sip, 0);
- if (!error && sip != tdp)
- error = XFS_QM_DQATTACH(mp, tdp, 0);
+ error = xfs_qm_dqattach(sip, 0);
+ if (error)
+ goto std_return;
+
+ error = xfs_qm_dqattach(tdp, 0);
if (error)
goto std_return;
if (error)
goto error_return;
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
&first_block, &free_list, resblks);
if (error)
goto abort_return;
xfs_ichgtime(tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
- tdp->i_gen++;
xfs_trans_log_inode(tp, tdp, XFS_ILOG_CORE);
error = xfs_bumplink(tp, sip);
goto std_return;
}
-
-int
-xfs_mkdir(
- xfs_inode_t *dp,
- struct xfs_name *dir_name,
- mode_t mode,
- xfs_inode_t **ipp,
- cred_t *credp)
-{
- xfs_mount_t *mp = dp->i_mount;
- xfs_inode_t *cdp; /* inode of created dir */
- xfs_trans_t *tp;
- int cancel_flags;
- int error;
- int committed;
- xfs_bmap_free_t free_list;
- xfs_fsblock_t first_block;
- boolean_t unlock_dp_on_error = B_FALSE;
- boolean_t created = B_FALSE;
- int dm_event_sent = 0;
- xfs_prid_t prid;
- struct xfs_dquot *udqp, *gdqp;
- uint resblks;
-
- if (XFS_FORCED_SHUTDOWN(mp))
- return XFS_ERROR(EIO);
-
- tp = NULL;
-
- if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
- error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
- dp, DM_RIGHT_NULL, NULL,
- DM_RIGHT_NULL, dir_name->name, NULL,
- mode, 0, 0);
- if (error)
- return error;
- dm_event_sent = 1;
- }
-
- /* Return through std_return after this point. */
-
- xfs_itrace_entry(dp);
-
- mp = dp->i_mount;
- udqp = gdqp = NULL;
- if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
- prid = dp->i_d.di_projid;
- else
- prid = (xfs_prid_t)dfltprid;
-
- /*
- * Make sure that we have allocated dquot(s) on disk.
- */
- error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(), current_fsgid(), prid,
- XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
- if (error)
- goto std_return;
-
- tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR);
- cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
- resblks = XFS_MKDIR_SPACE_RES(mp, dir_name->len);
- error = xfs_trans_reserve(tp, resblks, XFS_MKDIR_LOG_RES(mp), 0,
- XFS_TRANS_PERM_LOG_RES, XFS_MKDIR_LOG_COUNT);
- if (error == ENOSPC) {
- resblks = 0;
- error = xfs_trans_reserve(tp, 0, XFS_MKDIR_LOG_RES(mp), 0,
- XFS_TRANS_PERM_LOG_RES,
- XFS_MKDIR_LOG_COUNT);
- }
- if (error) {
- cancel_flags = 0;
- goto error_return;
- }
-
- xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
- unlock_dp_on_error = B_TRUE;
-
- /*
- * Check for directory link count overflow.
- */
- if (dp->i_d.di_nlink >= XFS_MAXLINK) {
- error = XFS_ERROR(EMLINK);
- goto error_return;
- }
-
- /*
- * Reserve disk quota and the inode.
- */
- error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0);
- if (error)
- goto error_return;
-
- error = xfs_dir_canenter(tp, dp, dir_name, resblks);
- if (error)
- goto error_return;
- /*
- * create the directory inode.
- */
- error = xfs_dir_ialloc(&tp, dp, mode, 2,
- 0, credp, prid, resblks > 0,
- &cdp, NULL);
- if (error) {
- if (error == ENOSPC)
- goto error_return;
- goto abort_return;
- }
- xfs_itrace_ref(cdp);
-
- /*
- * Now we add the directory inode to the transaction.
- * We waited until now since xfs_dir_ialloc might start
- * a new transaction. Had we joined the transaction
- * earlier, the locks might have gotten released. An error
- * from here on will result in the transaction cancel
- * unlocking dp so don't do it explicitly in the error path.
- */
- IHOLD(dp);
- xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
- unlock_dp_on_error = B_FALSE;
-
- XFS_BMAP_INIT(&free_list, &first_block);
-
- error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino,
- &first_block, &free_list, resblks ?
- resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
- if (error) {
- ASSERT(error != ENOSPC);
- goto error1;
- }
- xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
-
- /*
- * Bump the in memory version number of the parent directory
- * so that other processes accessing it will recognize that
- * the directory has changed.
- */
- dp->i_gen++;
-
- error = xfs_dir_init(tp, cdp, dp);
- if (error)
- goto error2;
-
- cdp->i_gen = 1;
- error = xfs_bumplink(tp, dp);
- if (error)
- goto error2;
-
- created = B_TRUE;
-
- *ipp = cdp;
- IHOLD(cdp);
-
- /*
- * Attach the dquots to the new inode and modify the icount incore.
- */
- XFS_QM_DQVOPCREATE(mp, tp, cdp, udqp, gdqp);
-
- /*
- * If this is a synchronous mount, make sure that the
- * mkdir transaction goes to disk before returning to
- * the user.
- */
- if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) {
- xfs_trans_set_sync(tp);
- }
-
- error = xfs_bmap_finish(&tp, &free_list, &committed);
- if (error) {
- IRELE(cdp);
- goto error2;
- }
-
- error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
- if (error) {
- IRELE(cdp);
- }
-
- /* Fall through to std_return with error = 0 or errno from
- * xfs_trans_commit. */
-
-std_return:
- if ((created || (error != 0 && dm_event_sent != 0)) &&
- DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
- (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
- dp, DM_RIGHT_NULL,
- created ? cdp : NULL,
- DM_RIGHT_NULL,
- dir_name->name, NULL,
- mode, error, 0);
- }
- return error;
-
- error2:
- error1:
- xfs_bmap_cancel(&free_list);
- abort_return:
- cancel_flags |= XFS_TRANS_ABORT;
- error_return:
- xfs_trans_cancel(tp, cancel_flags);
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
-
- if (unlock_dp_on_error)
- xfs_iunlock(dp, XFS_ILOCK_EXCL);
-
- goto std_return;
-}
-
int
xfs_symlink(
xfs_inode_t *dp,
/*
* Make sure that we have allocated dquot(s) on disk.
*/
- error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(), current_fsgid(), prid,
+ error = xfs_qm_vop_dqalloc(dp, current_fsuid(), current_fsgid(), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
/*
* Reserve disk quota : blocks and inode.
*/
- error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0);
+ error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp, resblks, 1, 0);
if (error)
goto error_return;
* Initialize the bmap freelist prior to calling either
* bmapi or the directory create code.
*/
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
/*
* Allocate an inode for the symlink.
/*
* Also attach the dquot(s) to it, if applicable.
*/
- XFS_QM_DQVOPCREATE(mp, tp, ip, udqp, gdqp);
+ xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp);
if (resblks)
resblks -= XFS_IALLOC_SPACE_RES(mp);
xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
/*
- * Bump the in memory version number of the parent directory
- * so that other processes accessing it will recognize that
- * the directory has changed.
- */
- dp->i_gen++;
-
- /*
* If this is a synchronous mount, make sure that the
* symlink transaction goes to disk before returning to
* the user.
goto error2;
}
error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
+ xfs_qm_dqrele(udqp);
+ xfs_qm_dqrele(gdqp);
/* Fall through to std_return with error = 0 or errno from
* xfs_trans_commit */
cancel_flags |= XFS_TRANS_ABORT;
error_return:
xfs_trans_cancel(tp, cancel_flags);
- XFS_QM_DQRELE(mp, udqp);
- XFS_QM_DQRELE(mp, gdqp);
+ xfs_qm_dqrele(udqp);
+ xfs_qm_dqrele(gdqp);
if (unlock_dp_on_error)
xfs_iunlock(dp, XFS_ILOCK_EXCL);
}
int
-xfs_inode_flush(
- xfs_inode_t *ip,
- int flags)
-{
- xfs_mount_t *mp = ip->i_mount;
- int error = 0;
-
- if (XFS_FORCED_SHUTDOWN(mp))
- return XFS_ERROR(EIO);
-
- /*
- * Bypass inodes which have already been cleaned by
- * the inode flush clustering code inside xfs_iflush
- */
- if (xfs_inode_clean(ip))
- return 0;
-
- /*
- * We make this non-blocking if the inode is contended,
- * return EAGAIN to indicate to the caller that they
- * did not succeed. This prevents the flush path from
- * blocking on inodes inside another operation right
- * now, they get caught later by xfs_sync.
- */
- if (flags & FLUSH_SYNC) {
- xfs_ilock(ip, XFS_ILOCK_SHARED);
- xfs_iflock(ip);
- } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) {
- if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) {
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
- return EAGAIN;
- }
- } else {
- return EAGAIN;
- }
-
- error = xfs_iflush(ip, (flags & FLUSH_SYNC) ? XFS_IFLUSH_SYNC
- : XFS_IFLUSH_ASYNC_NOBLOCK);
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
- return error;
-}
-
-
-int
xfs_set_dmattrs(
xfs_inode_t *ip,
u_int evmask,
ASSERT(!VN_MAPPED(VFS_I(ip)));
/* bad inode, get out here ASAP */
- if (VN_BAD(VFS_I(ip))) {
+ if (is_bad_inode(VFS_I(ip))) {
xfs_ireclaim(ip);
return 0;
}
- vn_iowait(ip);
+ xfs_ioend_wait(ip);
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
/*
- * Make sure the atime in the XFS inode is correct before freeing the
- * Linux inode.
- */
- xfs_synchronize_atime(ip);
-
- /*
* If we have nothing to flush with this inode then complete the
* teardown now, otherwise break the link between the xfs inode and the
* linux inode and clean up the xfs inode later. This avoids flushing
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
- if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
+ error = xfs_qm_dqattach(ip, 0);
+ if (error)
return error;
if (len <= 0)
break;
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, tp, ip,
- qblocks, 0, quota_flag);
+ error = xfs_trans_reserve_quota_nblks(tp, ip, qblocks,
+ 0, quota_flag);
if (error)
goto error1;
/*
* Issue the xfs_bmapi() call to allocate the blocks
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
error = xfs_bmapi(tp, ip, startoffset_fsb,
allocatesize_fsb, bmapi_flag,
&firstfsb, 0, imapp, &nimaps,
error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */
xfs_bmap_cancel(&free_list);
- XFS_TRANS_UNRESERVE_QUOTA_NBLKS(mp, tp, ip, qblocks, 0, quota_flag);
+ xfs_trans_unreserve_quota_nblks(tp, ip, qblocks, 0, quota_flag);
error1: /* Just cancel transaction */
xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT);
bp = xfs_buf_get_noaddr(mp->m_sb.sb_blocksize,
XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp);
+ if (!bp)
+ return XFS_ERROR(ENOMEM);
for (offset = startoff; offset <= endoff; offset = lastoffset + 1) {
offset_fsb = XFS_B_TO_FSBT(mp, offset);
XFS_BUF_UNDONE(bp);
XFS_BUF_UNWRITE(bp);
XFS_BUF_READ(bp);
- XFS_BUF_SET_ADDR(bp, XFS_FSB_TO_DB(ip, imap.br_startblock));
+ XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock));
xfsbdstrat(mp, bp);
error = xfs_iowait(bp);
if (error) {
xfs_itrace_entry(ip);
- if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
+ error = xfs_qm_dqattach(ip, 0);
+ if (error)
return error;
error = 0;
need_iolock = 0;
if (need_iolock) {
xfs_ilock(ip, XFS_IOLOCK_EXCL);
- vn_iowait(ip); /* wait for the completion of any pending DIOs */
+ /* wait for the completion of any pending DIOs */
+ xfs_ioend_wait(ip);
}
rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE);
/*
* Need to zero the stuff we're not freeing, on disk.
- * If its a realtime file & can't use unwritten extents then we
+ * If it's a realtime file & can't use unwritten extents then we
* actually need to zero the extent edges. Otherwise xfs_bunmapi
* will take care of it for us.
*/
break;
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = XFS_TRANS_RESERVE_QUOTA(mp, tp,
- ip->i_udquot, ip->i_gdquot, resblks, 0,
- XFS_QMOPT_RES_REGBLKS);
+ error = xfs_trans_reserve_quota(tp, mp,
+ ip->i_udquot, ip->i_gdquot,
+ resblks, 0, XFS_QMOPT_RES_REGBLKS);
if (error)
goto error1;
/*
* issue the bunmapi() call to free the blocks
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
error = xfs_bunmapi(tp, ip, startoffset_fsb,
endoffset_fsb - startoffset_fsb,
0, 2, &firstfsb, &free_list, NULL, &done);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff