#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
+#include "xfs_ag.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
xfs_dir2_sf_check(args);
out:
xfs_trans_log_inode(args->trans, dp, logflags);
- kmem_free(block, mp->m_dirblksize);
+ kmem_free(block);
return error;
}
/*
* Just checking or no space reservation, it doesn't fit.
*/
- if (args->justcheck || args->total == 0)
+ if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0)
return XFS_ERROR(ENOSPC);
/*
* Convert to block form then add the name.
/*
* Just checking, it fits.
*/
- if (args->justcheck)
+ if (args->op_flags & XFS_DA_OP_JUSTCHECK)
return 0;
/*
* Do it the easy way - just add it at the end.
sfep = xfs_dir2_sf_nextentry(sfp, sfep);
memcpy(sfep, oldsfep, old_isize - nbytes);
}
- kmem_free(buf, old_isize);
+ kmem_free(buf);
dp->i_d.di_size = new_isize;
xfs_dir2_sf_check(args);
}
int /* error */
xfs_dir2_sf_getdents(
xfs_inode_t *dp, /* incore directory inode */
- uio_t *uio, /* caller's buffer control */
- int *eofp, /* eof reached? (out) */
- xfs_dirent_t *dbp, /* caller's buffer */
- xfs_dir2_put_t put) /* abi's formatting function */
+ void *dirent,
+ xfs_off_t *offset,
+ filldir_t filldir)
{
- int error; /* error return value */
int i; /* shortform entry number */
xfs_mount_t *mp; /* filesystem mount point */
xfs_dir2_dataptr_t off; /* current entry's offset */
- xfs_dir2_put_args_t p; /* arg package for put rtn */
xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */
xfs_dir2_sf_t *sfp; /* shortform structure */
- xfs_off_t dir_offset;
+ xfs_dir2_dataptr_t dot_offset;
+ xfs_dir2_dataptr_t dotdot_offset;
+ xfs_ino_t ino;
mp = dp->i_mount;
return XFS_ERROR(EIO);
}
- dir_offset = uio->uio_offset;
-
ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
ASSERT(dp->i_df.if_u1.if_data != NULL);
/*
* If the block number in the offset is out of range, we're done.
*/
- if (xfs_dir2_dataptr_to_db(mp, dir_offset) > mp->m_dirdatablk) {
- *eofp = 1;
+ if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk)
return 0;
- }
/*
- * Set up putargs structure.
+ * Precalculate offsets for . and .. as we will always need them.
+ *
+ * XXX(hch): the second argument is sometimes 0 and sometimes
+ * mp->m_dirdatablk.
*/
- p.dbp = dbp;
- p.put = put;
- p.uio = uio;
+ dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
+ XFS_DIR2_DATA_DOT_OFFSET);
+ dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
+ XFS_DIR2_DATA_DOTDOT_OFFSET);
+
/*
* Put . entry unless we're starting past it.
*/
- if (dir_offset <=
- xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_DOT_OFFSET)) {
- p.cook = xfs_dir2_db_off_to_dataptr(mp, 0,
- XFS_DIR2_DATA_DOTDOT_OFFSET);
- p.ino = dp->i_ino;
-#if XFS_BIG_INUMS
- p.ino += mp->m_inoadd;
-#endif
- p.name = ".";
- p.namelen = 1;
-
- error = p.put(&p);
-
- if (!p.done) {
- uio->uio_offset =
- xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_DOT_OFFSET);
- return error;
+ if (*offset <= dot_offset) {
+ if (filldir(dirent, ".", 1, dot_offset & 0x7fffffff, dp->i_ino, DT_DIR)) {
+ *offset = dot_offset & 0x7fffffff;
+ return 0;
}
}
/*
* Put .. entry unless we're starting past it.
*/
- if (dir_offset <=
- xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_DOTDOT_OFFSET)) {
- p.cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_FIRST_OFFSET);
- p.ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent);
-#if XFS_BIG_INUMS
- p.ino += mp->m_inoadd;
-#endif
- p.name = "..";
- p.namelen = 2;
-
- error = p.put(&p);
-
- if (!p.done) {
- uio->uio_offset =
- xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_DOTDOT_OFFSET);
- return error;
+ if (*offset <= dotdot_offset) {
+ ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent);
+ if (filldir(dirent, "..", 2, dotdot_offset & 0x7fffffff, ino, DT_DIR)) {
+ *offset = dotdot_offset & 0x7fffffff;
+ return 0;
}
}
/*
* Loop while there are more entries and put'ing works.
*/
- for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
- i < sfp->hdr.count;
- i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
-
+ sfep = xfs_dir2_sf_firstentry(sfp);
+ for (i = 0; i < sfp->hdr.count; i++) {
off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
xfs_dir2_sf_get_offset(sfep));
- if (dir_offset > off)
+ if (*offset > off) {
+ sfep = xfs_dir2_sf_nextentry(sfp, sfep);
continue;
+ }
- p.namelen = sfep->namelen;
-
- p.cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- xfs_dir2_sf_get_offset(sfep) +
- xfs_dir2_data_entsize(p.namelen));
-
- p.ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep));
-#if XFS_BIG_INUMS
- p.ino += mp->m_inoadd;
-#endif
- p.name = (char *)sfep->name;
-
- error = p.put(&p);
-
- if (!p.done) {
- uio->uio_offset = off;
- return error;
+ ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep));
+ if (filldir(dirent, sfep->name, sfep->namelen,
+ off & 0x7fffffff, ino, DT_UNKNOWN)) {
+ *offset = off & 0x7fffffff;
+ return 0;
}
+ sfep = xfs_dir2_sf_nextentry(sfp, sfep);
}
- /*
- * They all fit.
- */
- *eofp = 1;
-
- uio->uio_offset =
- xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0);
-
+ *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
+ 0x7fffffff;
return 0;
}
{
xfs_inode_t *dp; /* incore directory inode */
int i; /* entry index */
+ int error;
xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */
xfs_dir2_sf_t *sfp; /* shortform structure */
+ enum xfs_dacmp cmp; /* comparison result */
+ xfs_dir2_sf_entry_t *ci_sfep; /* case-insens. entry */
xfs_dir2_trace_args("sf_lookup", args);
xfs_dir2_sf_check(args);
*/
if (args->namelen == 1 && args->name[0] == '.') {
args->inumber = dp->i_ino;
+ args->cmpresult = XFS_CMP_EXACT;
return XFS_ERROR(EEXIST);
}
/*
if (args->namelen == 2 &&
args->name[0] == '.' && args->name[1] == '.') {
args->inumber = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent);
+ args->cmpresult = XFS_CMP_EXACT;
return XFS_ERROR(EEXIST);
}
/*
* Loop over all the entries trying to match ours.
*/
- for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
- i < sfp->hdr.count;
- i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
- if (sfep->namelen == args->namelen &&
- sfep->name[0] == args->name[0] &&
- memcmp(args->name, sfep->name, args->namelen) == 0) {
- args->inumber =
- xfs_dir2_sf_get_inumber(sfp,
- xfs_dir2_sf_inumberp(sfep));
- return XFS_ERROR(EEXIST);
+ ci_sfep = NULL;
+ for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->hdr.count;
+ i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
+ /*
+ * Compare name and if it's an exact match, return the inode
+ * number. If it's the first case-insensitive match, store the
+ * inode number and continue looking for an exact match.
+ */
+ cmp = dp->i_mount->m_dirnameops->compname(args, sfep->name,
+ sfep->namelen);
+ if (cmp != XFS_CMP_DIFFERENT && cmp != args->cmpresult) {
+ args->cmpresult = cmp;
+ args->inumber = xfs_dir2_sf_get_inumber(sfp,
+ xfs_dir2_sf_inumberp(sfep));
+ if (cmp == XFS_CMP_EXACT)
+ return XFS_ERROR(EEXIST);
+ ci_sfep = sfep;
}
}
+ ASSERT(args->op_flags & XFS_DA_OP_OKNOENT);
/*
- * Didn't find it.
+ * Here, we can only be doing a lookup (not a rename or replace).
+ * If a case-insensitive match was not found, return ENOENT.
*/
- ASSERT(args->oknoent);
- return XFS_ERROR(ENOENT);
+ if (!ci_sfep)
+ return XFS_ERROR(ENOENT);
+ /* otherwise process the CI match as required by the caller */
+ error = xfs_dir_cilookup_result(args, ci_sfep->name, ci_sfep->namelen);
+ return XFS_ERROR(error);
}
/*
* Loop over the old directory entries.
* Find the one we're deleting.
*/
- for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
- i < sfp->hdr.count;
- i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
- if (sfep->namelen == args->namelen &&
- sfep->name[0] == args->name[0] &&
- memcmp(sfep->name, args->name, args->namelen) == 0) {
+ for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->hdr.count;
+ i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
+ if (xfs_da_compname(args, sfep->name, sfep->namelen) ==
+ XFS_CMP_EXACT) {
ASSERT(xfs_dir2_sf_get_inumber(sfp,
- xfs_dir2_sf_inumberp(sfep)) ==
- args->inumber);
+ xfs_dir2_sf_inumberp(sfep)) ==
+ args->inumber);
break;
}
}
/*
* Didn't find it.
*/
- if (i == sfp->hdr.count) {
+ if (i == sfp->hdr.count)
return XFS_ERROR(ENOENT);
- }
/*
* Calculate sizes.
*/
*/
else {
for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
- i < sfp->hdr.count;
- i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
- if (sfep->namelen == args->namelen &&
- sfep->name[0] == args->name[0] &&
- memcmp(args->name, sfep->name, args->namelen) == 0) {
+ i < sfp->hdr.count;
+ i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) {
+ if (xfs_da_compname(args, sfep->name, sfep->namelen) ==
+ XFS_CMP_EXACT) {
#if XFS_BIG_INUMS || defined(DEBUG)
ino = xfs_dir2_sf_get_inumber(sfp,
xfs_dir2_sf_inumberp(sfep));
* Didn't find it.
*/
if (i == sfp->hdr.count) {
- ASSERT(args->oknoent);
+ ASSERT(args->op_flags & XFS_DA_OP_OKNOENT);
#if XFS_BIG_INUMS
if (i8elevated)
xfs_dir2_sf_toino4(args);
/*
* Clean up the inode.
*/
- kmem_free(buf, oldsize);
+ kmem_free(buf);
dp->i_d.di_size = newsize;
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
}
/*
* Clean up the inode.
*/
- kmem_free(buf, oldsize);
+ kmem_free(buf);
dp->i_d.di_size = newsize;
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff