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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-06-25 18:04:55 +0200 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-06-25 18:04:55 +0200 |
| commit | 1d58b27b8d77ecb816cfa8f846b78c845675eb89 (patch) | |
| tree | 7c10e4182f87d00511aeb1d0583e3c09eeb807de /fs | |
| parent | NTFS: Fix several occurences of a bug where we would perform 'var & ~const' (diff) | |
| download | linux-1d58b27b8d77ecb816cfa8f846b78c845675eb89.tar.xz linux-1d58b27b8d77ecb816cfa8f846b78c845675eb89.zip | |
NTFS: Change the runlist terminator of the newly allocated cluster(s) to
LCN_ENOENT in ntfs_attr_make_non_resident(). Otherwise the runlist
code gets confused.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ntfs/ChangeLog | 3 | ||||
| -rw-r--r-- | fs/ntfs/attrib.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index a916c8b0697a..aff749db314c 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -132,6 +132,9 @@ ToDo/Notes: with a 64-bit variable and a int, i.e. 32-bit, constant. This causes the higher order 32-bits of the 64-bit variable to be zeroed. To fix this cast the 'const' to the same 64-bit type as 'var'. + - Change the runlist terminator of the newly allocated cluster(s) to + LCN_ENOENT in ntfs_attr_make_non_resident(). Otherwise the runlist + code gets confused. 2.1.22 - Many bug and race fixes and error handling improvements. diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c index 104eedfb2507..34ea405b883d 100644 --- a/fs/ntfs/attrib.c +++ b/fs/ntfs/attrib.c @@ -1285,6 +1285,8 @@ int ntfs_attr_make_non_resident(ntfs_inode *ni) new_size = (i_size_read(vi) + vol->cluster_size - 1) & ~(vol->cluster_size - 1); if (new_size > 0) { + runlist_element *rl2; + /* * Will need the page later and since the page lock nests * outside all ntfs locks, we need to get the page now. @@ -1304,6 +1306,12 @@ int ntfs_attr_make_non_resident(ntfs_inode *ni) err); goto page_err_out; } + /* Change the runlist terminator to LCN_ENOENT. */ + rl2 = rl; + while (rl2->length) + rl2++; + BUG_ON(rl2->lcn != LCN_RL_NOT_MAPPED); + rl2->lcn = LCN_ENOENT; } else { rl = NULL; page = NULL; |