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e2fsck: Check for fast symlinks that have EXTENTS_FL set 

These shouldn't show up in the wild, but if they do, e2fsck will offer
to clear them.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
bitmap-optimize
Theodore Ts'o 2008-03-13 23:13:18 -04:00
parent 7cadc57780
commit ee19c902e6
3 changed files with 16 additions and 0 deletions
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8
e2fsck/pass1.c
View File

@ -713,6 +713,14 @@ void e2fsck_pass1(e2fsck_t ctx)
}
}
if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL) &&
LINUX_S_ISLNK(inode->i_mode) &&
!ext2fs_inode_has_valid_blocks(inode) &&
fix_problem(ctx, PR_1_FAST_SYMLINK_EXTENT_FL, &pctx)) {
inode->i_flags &= ~EXT4_EXTENTS_FL;
e2fsck_write_inode(ctx, ino, inode, "pass1");
}
if (ino == EXT2_BAD_INO) {
struct process_block_struct pb;

5
e2fsck/problem.c
View File

@ -819,6 +819,11 @@ static struct e2fsck_problem problem_table[] = {
N_("@i %i missing EXTENT_FL, but is in extents format\n"),
PROMPT_FIX, PR_PREEN_OK },
/* Fast symlink has EXTENTS_FL set */
{ PR_1_FAST_SYMLINK_EXTENT_FL,
N_("Fast symlink %i has EXTENT_FL set. "),
PROMPT_CLEAR, 0 },
/* Pass 1b errors */
/* Pass 1B: Rescan for duplicate/bad blocks */

3
e2fsck/problem.h
View File

@ -476,6 +476,9 @@ struct problem_context {
/* inode missing EXTENTS_FL, but is an extent inode */
#define PR_1_UNSET_EXTENT_FL 0x01005C
/* Fast symlink has EXTENTS_FL set */
#define PR_1_FAST_SYMLINK_EXTENT_FL 0x01005D
/*
* Pass 1b errors
*/