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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-02-18 10:03:13 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-05-05 11:03:01 +0100 |
| commit | 37e4c13b987a7923ec13bda7368901b3e094fecb (patch) | |
| tree | 781dcc0990fc42c26492206261d4b5f325715821 /fs/ntfs | |
| parent | d8ec785e0bf2941ed546711c2f240a3e030c39c7 (diff) | |
| download | linux-37e4c13b987a7923ec13bda7368901b3e094fecb.tar.gz linux-37e4c13b987a7923ec13bda7368901b3e094fecb.tar.bz2 linux-37e4c13b987a7923ec13bda7368901b3e094fecb.zip | |
NTFS: Fix a nasty runlist merge bug when merging two holes.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Diffstat (limited to 'fs/ntfs')
| -rw-r--r-- | fs/ntfs/ChangeLog | 3 | ||||
| -rw-r--r-- | fs/ntfs/runlist.c | 5 |
2 files changed, 6 insertions, 2 deletions
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index 0ef1cd329096..53bb6c1404f2 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -72,9 +72,10 @@ ToDo/Notes: runlist. This allows us to find runlist elements with the runlist lock already held without having to drop and reacquire it around the call. Adapt all callers. - - Change time to u64 time.h::ntfs2utc() as it otherwise generates a + - Change time to u64 in time.h::ntfs2utc() as it otherwise generates a warning in the do_div() call on sparc32. Thanks to Meelis Roos for the report and analysis of the warning. + - Fix a nasty runlist merge bug when merging two holes. 2.1.22 - Many bug and race fixes and error handling improvements. diff --git a/fs/ntfs/runlist.c b/fs/ntfs/runlist.c index 5244687dfaa8..1b344dd4d407 100644 --- a/fs/ntfs/runlist.c +++ b/fs/ntfs/runlist.c @@ -113,8 +113,11 @@ static inline BOOL ntfs_are_rl_mergeable(runlist_element *dst, BUG_ON(!dst); BUG_ON(!src); - if ((dst->lcn < 0) || (src->lcn < 0)) /* Are we merging holes? */ + if ((dst->lcn < 0) || (src->lcn < 0)) { /* Are we merging holes? */ + if (dst->lcn == LCN_HOLE && src->lcn == LCN_HOLE) + return TRUE; return FALSE; + } if ((dst->lcn + dst->length) != src->lcn) /* Are the runs contiguous? */ return FALSE; if ((dst->vcn + dst->length) != src->vcn) /* Are the runs misaligned? */ |