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| author | Robert P. J. Day <rpjday@crashcourse.ca> | 2009-06-16 15:33:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 19:47:48 -0700 |
| commit | 02d5341ae53d32681241b27a40397475caef1c83 (patch) | |
| tree | 2f6712b7fb79be511cd7be430c70be4d8755e78d /fs/ntfs/logfile.c | |
| parent | b33112d1cc25e658c334125d127a6ae15d5a0ad6 (diff) | |
| download | lwn-02d5341ae53d32681241b27a40397475caef1c83.tar.gz lwn-02d5341ae53d32681241b27a40397475caef1c83.zip | |
ntfs: use is_power_of_2() function for clarity.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Cc: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ntfs/logfile.c')
| -rw-r--r-- | fs/ntfs/logfile.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ntfs/logfile.c b/fs/ntfs/logfile.c index d7932e95b1fd..89b02985c054 100644 --- a/fs/ntfs/logfile.c +++ b/fs/ntfs/logfile.c @@ -26,6 +26,7 @@ #include <linux/highmem.h> #include <linux/buffer_head.h> #include <linux/bitops.h> +#include <linux/log2.h> #include "attrib.h" #include "aops.h" @@ -65,7 +66,7 @@ static bool ntfs_check_restart_page_header(struct inode *vi, logfile_log_page_size < NTFS_BLOCK_SIZE || logfile_system_page_size & (logfile_system_page_size - 1) || - logfile_log_page_size & (logfile_log_page_size - 1)) { + !is_power_of_2(logfile_log_page_size)) { ntfs_error(vi->i_sb, "$LogFile uses unsupported page size."); return false; } |